Rapid Progress
Great Advancement
noun, verbal noun
When you leap and advance, you make rapid progress and great advancement.
You might recall that 飛躍 also means "rapid progress," but what sets them apart? 躍進 emphasizes the subject's perspective as it advances at a rapid pace, whereas 飛躍 conveys significant progress or leaps more neutrally, without highlighting pace or perspective.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
トーフグが今年、大躍進を遂げたのは何故だと思いますか。
What do you think made Tofugu take such a big leap forward this year?